<header class="navbasic nav">
    <ul class="navbasic nav__content">
        <li class="navbasic nav__item">
            <div class="nav__item--menutitle is-active">
                <span>处理中心</span>
            </div>
        </li>
        <li class="navbasic nav__item">
            <div class="navbasic nav__item--menutitle">
                <span>工作台 </span>
                <svg class="pointicon drop-down-icon">
                    <use xlink:href="#icon-bottom"></use>
                </svg>
            </div>
            <ul class="nav__item--submenu">
                <li class="nav__item--submenu-title">
                    <span>测试1测试1测试1测试1测试1测试1测试1</span>
                    <i>
                        <svg class="pointicon">
                            <use xlink:href="#icon-right"></use>
                        </svg>
                    </i>
                </li>
                <li class="nav__item--submenu-title">测试2</li>
                <li class="nav__item--submenu-title">测试3</li>
                <li class="nav__item--submenu-title">测试4</li>
            </ul>
        </li>
        <li class="navbasic nav__item is-active">
            <div class="navbasic nav__item--menutitle"><span>状态处理 </span>
            </div>
        </li>
        <li class="navbasic nav__item is-active">
            <div class="navbasic nav__item--menutitle">
                <span>设置 </span>
                <svg class="pointicon drop-down-icon">
                    <use xlink:href="#icon-bottom"></use>
                </svg>
            </div>
            <ul class="nav__item--submenu">
                <li class="nav__item--submenu-title">测试2</li>
                <li class="nav__item--submenu-title"><span>测试1测试1测试1测试1测试1测试1测试1</span>
                    <i>
                        <svg class="pointicon">
                            <use xlink:href="#icon-right"></use>
                        </svg>
                    </i>
                </li>
                <li class="nav__item--submenu-title">测试3</li>
                <li class="nav__item--submenu-title">测试4</li>
            </ul>
        </li>
    </ul>
</header>